raft: replication test: remove wait after adding entries
raft: replication test: remove wait after adding entries

Remove log wait after adding entries. It was added to handle some debug
hangs but it is not good for testing.

There are already wait logs at proper code locations.
(e.g. elect_new_leader, partition)

Signed-off-by: Alejo Sanchez <004be06a28e38b437b038f9b5c0b9f5758b792e9@scylladb.com>

scylladb/scylla,scylladb/scylla,scylladb/scylla,scylladb/scylla